Second Saharan dust plume headed to the Gulf Coast

Second Saharan dust plume headed to the Gulf Coast
A man and his son are silhouetted against the sky as they watch the sunset from a park. The plume is primarily at higher altitudes, allowing for some colorful sunrises and sunsets. (Charlie Riedel/AP)

As the first wave of Saharan dust moves off the Southeast coast, a second plume is expected to arrive later this week.

The National Weather Service reported that the second plume will be less dense than the first predicting it will impact the Gulf Coast.

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According to The Washington Post, a tamer second wave will extend over coastal Mexico, coastal Texas and parts of Louisiana. It is expected to disintegrate before the end of the week.

The first plume of dust from Africa finished its 5,000-mile journey across the Atlantic and filtered into the United States last week.

The dust, known as the Saharan Air Layer (SAL), is clearly visible on satellite images.

It can cause allergy sufferers to experience an increase in symptoms. But, according to NASA, the plume is primarily at higher altitudes allowing for some colorful sunrises and sunsets.